In the majority of cases delayed puberty is due to:
a. a disruption in the hypothalamus.
b. a disruption of the pituitary.
c. slow maturation.
d. ambiguity in sex determination.
ANS: C
In about 95% of cases, delayed puberty is a normal physiologic event. Hormonal levels are nor-mal, the hypothalamic-pituitary-gonadal axis is intact, and maturation is happening slowly. Only about 5% of the occurrences of delayed puberty are due to a disruption in the hypothalamus or the pituitary. Ambiguity in sex determination could play a role in delayed puberty, but this oc-currence is rare.
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